Control apparatus for use in internal combustion engine

Details Control apparatus for use in internal combustion engine Control apparatus for use in internal combustion engine

1998-12-28

2000-10-24

Solis, Erick

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

123301, 12340613, F02B 3100, F02P 5145

Patent

active

061350850

ABSTRACT:
A failure diagnosis apparatus for an internal combustion engine having an intake air swirl control valve, includes a broken wire detection unit, a target opening degree/actual opening degree deviation detection unit, an opening degree abnormally detection unit and a target opening degree execution abnormality detection unit. Outputs from these detection units are used to detect a failure of the swirl control valve which becomes a factor for inviting an aggravation of an operability such as a knocking etc.

REFERENCES:
patent: 4823753 (1989-04-01), Murakami et al.
patent: 5609132 (1997-03-01), Minowa et al.
patent: 5634445 (1997-06-01), Nishioka et al.
patent: 5670715 (1997-09-01), Tomisawa
patent: 5927245 (1999-07-01), Uchida
patent: 5950595 (1999-09-01), Yoshioka et al.

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